Base | Representation |
---|---|
bin | 111111001011… |
… | …0111101110101 |
3 | 2022022212212201 |
4 | 1332112331311 |
5 | 31434433323 |
6 | 3141544501 |
7 | 551360023 |
oct | 176267565 |
9 | 68285781 |
10 | 33124213 |
11 | 17774791 |
12 | b115131 |
13 | 6b2a035 |
14 | 4583713 |
15 | 2d948ad |
hex | 1f96f75 |
33124213 has 8 divisors (see below), whose sum is σ = 35118080. Its totient is φ = 31188240.
The previous prime is 33124207. The next prime is 33124229. The reversal of 33124213 is 31242133.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-33124213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33124243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13293 + ... + 15586.
It is an arithmetic number, because the mean of its divisors is an integer number (4389760).
Almost surely, 233124213 is an apocalyptic number.
It is an amenable number.
33124213 is a deficient number, since it is larger than the sum of its proper divisors (1993867).
33124213 is a wasteful number, since it uses less digits than its factorization.
33124213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28947.
The product of its digits is 432, while the sum is 19.
The square root of 33124213 is about 5755.3638460136. The cubic root of 33124213 is about 321.1553709989.
Adding to 33124213 its reverse (31242133), we get a palindrome (64366346).
The spelling of 33124213 in words is "thirty-three million, one hundred twenty-four thousand, two hundred thirteen".
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